Don't display version dropdowns when the page refers to a versionless product

Author: cotti

src/Elastic.Markdown/HtmlWriter.cs

@@ -147,6 +147,7 @@ private async Task<RenderResult> RenderLayout(MarkdownFile markdown, MarkdownDoc
 			LegacyPages = legacyPages?.ToArray(),
 			VersionDropdownItems = VersionDropDownItemViewModel.FromLegacyPageMappings(legacyPages?.ToArray()),
 			Products = pageProducts,
+			VersioningSystem = pageVersioning,
 			VersionsConfig = DocumentationSet.Context.VersionsConfiguration,
 			StructuredBreadcrumbsJson = structuredBreadcrumbsJsonString
 		});

src/Elastic.Markdown/Layout/_TableOfContents.cshtml

@@ -1,11 +1,16 @@
+@using Elastic.Documentation.Configuration.Versions
 @inherits RazorSlice<Elastic.Markdown.MarkdownLayoutViewModel>
 <aside class="sidebar md:block w-full lg:max-w-65 md:order-2 px-6 md:px-10 lg:px-0">
 	<nav id="toc-nav" class="sidebar-nav lg:h-full flex flex-row-reverse lg:block items-center gap-4">
-		<div class="mt-6">
-			<version-dropdown all-versions-url="@Model.AllVersionsUrl" current-version='@(Model.CurrentVersion)' items='@(new HtmlString(Model.VersionDropdownSerializedModel))'>
-				<div class="h-8">@*height of dropdown button*@</div>
-			</version-dropdown>
-		</div>
+		@if (Model.VersioningSystem.Id is not 
+		     (VersioningSystemId.All or VersioningSystemId.Serverless or VersioningSystemId.Ech or VersioningSystemId.Ess))
+		{
+			<div class="mt-6">
+				<version-dropdown all-versions-url="@Model.AllVersionsUrl" current-version='@(Model.CurrentVersion)' items='@(new HtmlString(Model.VersionDropdownSerializedModel))'>
+					<div class="h-8">@*height of dropdown button*@</div>
+				</version-dropdown>
+			</div>
+		}
 		<ul class="mt-6 hidden md:flex items-center lg:block gap-4">
 			<li class="view-as-markdown hidden lg:block lg:not-first:mt-1">
 				<a href="@Model.MarkdownUrl" class="link text-sm" target="_blank">

src/Elastic.Markdown/MarkdownLayoutViewModel.cs

@@ -2,7 +2,7 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
-using Elastic.Documentation.Configuration.LegacyUrlMappings;
+using Elastic.Documentation.Configuration.Versions;
 using Elastic.Documentation.Site;
 using Elastic.Documentation.Site.Navigation;
 
@@ -23,6 +23,8 @@ public record MarkdownLayoutViewModel : GlobalLayoutViewModel
 
 	public required MarkdownPageLayout? Layout { get; init; }
 
+	public required VersioningSystem VersioningSystem { get; init; }
+
 	public required string? VersionDropdownSerializedModel { get; init; }
 
 	public required string? CurrentVersion { get; init; }

src/Elastic.Markdown/Page/Index.cshtml

@@ -39,6 +39,7 @@
 		Breadcrumbs = Model.Breadcrumbs,
 		CurrentVersion = Model.CurrentDocument.YamlFrontMatter?.Layout == MarkdownPageLayout.LandingPage ? Model.VersionsConfig.VersioningSystems[0].Current : Model.CurrentVersion,
 		AllVersionsUrl = Model.AllVersionsUrl,
+		VersioningSystem = Model.VersioningSystem,
 		VersionDropdownSerializedModel = JsonSerializer.Serialize(Model.VersionDropdownItems,
 			ViewModelSerializerContext.Default.VersionDropDownItemViewModelArray),
 	};

src/Elastic.Markdown/Page/IndexViewModel.cs

@@ -12,7 +12,6 @@
 using Elastic.Documentation.Site.FileProviders;
 using Elastic.Documentation.Site.Navigation;
 using Elastic.Markdown.IO;
-using Elastic.Markdown.IO.Navigation;
 
 namespace Elastic.Markdown.Page;
 
@@ -55,6 +54,7 @@ public class IndexViewModel
 
 	public required HashSet<Product> Products { get; init; }
 
+	public required VersioningSystem VersioningSystem { get; init; }
 	public required VersionsConfiguration VersionsConfig { get; init; }
 
 	// https://developers.google.com/search/docs/appearance/structured-data/breadcrumb#json-ld